VulnTideExploited vulnerabilities, by vendor. Data as of 28 Oct 2026.
Known exploitedIn CISA's KEV catalog since 8 June 2022Ransomware use: known
QNAP QTS

CVE-2019-7193: QNAP QTS Improper Input Validation Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, 916 days after the CVE record was published.

How likely is exploitation in the next 30 days?
14.4%

EPSS score, percentile 96.6 of all scored records

How severe?
9.8 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline 22 Jun 2022. Apply updates per vendor instructions.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • QTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: 22 June 2022.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

n/a QNAP NAS devices
StatusVersions
AffectedQTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

QNAP QTS contains an improper input validation vulnerability allowing remote attackers to inject code on the system.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

  • CISA added CVE-2019-7193 to its Known Exploited Vulnerabilities (KEV) catalog on 8 Jun 2022.
  • CISA marks it as known to be used in ransomware campaigns.
  • The due date CISA sets for the required action is 22 Jun 2022.
  • The CVE record was published on 5 Dec 2019, 916 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 14.4% (percentile 96.6), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

  • CWE-20: Improper Input Validation

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
5 Dec 2019CVE record published
8 Jun 2022Added to CISA KEV
22 Jun 2022CISA due date for the required action
21 Oct 2025CVE record last updated

References

More exploited QNAP vulnerabilities

  • CVE-2023-47565: QNAP VioStor NVR OS Command Injection Vulnerability (added 21 Dec 2023)
  • CVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerability (added 8 Sep 2022)
  • CVE-2019-7192: QNAP Photo Station Improper Access Control Vulnerability (added 8 Jun 2022)
  • CVE-2019-7194: QNAP Photo Station Path Traversal Vulnerability (added 8 Jun 2022)
  • CVE-2019-7195: QNAP Photo Station Path Traversal Vulnerability (added 8 Jun 2022)
  • CVE-2018-19943: QNAP NAS File Station Cross-Site Scripting Vulnerability (added 24 May 2022)